Correlation and Association of Serum B12 Levels in Type-2 Diabetes Mellitus Patients Treated with Metformin: A Study Conducted at a Tertiary Care Hospital of Gujarat. GAIMS Journal of Medical Sciences, [S. l.], v. 5, n. 1 (Jan-Jun), p. 75–81, 2024. Disponível em: http://gjms.gaims.ac.in/ojs/index.php/gjms/article/view/305. Acesso em: 10 oct. 2025.